Re: data loss in 2.6.9-rc1-mm1

[Nick Piggin]

Andrew Morton wrote:
> "Rafael J. Wysocki" <rjw@xxxxxxx> wrote:
>
> > Well, guys, to make it 100% clear: if I apply the Nick's patch to the 
> > 2.6.9-rc1-mm1 tree, it will fix the data loss issue.  Is that right?
>
>
> Should do.

It passes test cases that would previously fail here, so consider it
lightly tested. Note that the patch is on top of 2.6.9-rc1 though,
it becomes slightly deranged when applying straight onto mm. So don't
do that.

...

>  Or revert
>
> ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.9-rc1/2.6.9-rc1-mm1/broken-out/re-fix-pagecache-reading-off-by-one-cleanup.patch
>
> and then
>
> ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.9-rc1/2.6.9-rc1-mm1/broken-out/re-fix-pagecache-reading-off-by-one.patch

Once you have these backed out mine should apply fine, but it only closes
some performance (not correctness) corner cases that the above patches
attempted to.
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